130.45.2500

130.45.2500 · Product image

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130.45.2500 · Technical drawing

Brand
QIBR
Rolling element type
Roller
Measurement system
Metric
Outer diameter
2721 mm
Inner diameter
2279 mm
Total width
231 mm
External hole circle diameter
2655 mm
Internal hole circle diameter
2345 mm
Number of holes
72
Diameter of through holes
33 mm
Bolt size
M30 mm
Depth
60 mm
Number of grease holes
8
Width of inner ring
219 mm
Distance at top outer ring/inner ring
54 mm
Gear type
No gear
Temperature
-20 ℃ to +100 ℃
Seal type
Closed type
Ring material
42CrMo or 50Mn
Sealing material
NBR
Ball material
AISI 52100
Cage material
Nylon

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Description

The three-row roller slewing bearing is characterized by three rings, with separate upper, lower, and radial raceways that accurately distribute the load to each row of rollers. This design ensures efficient load handling and distribution, making it ideal for applications requiring robust support and stability under heavy loads. The distinct separation of raceways allows each row of rollers to function independently, minimizing friction and enhancing overall bearing performance. This configuration is commonly utilized in large-scale machinery such as cranes, excavators, and wind turbines where precise load management and durability are crucial.

QIBR - 130.45.2500 Slewing Bearing Advantages and Applications

130.45.2500 Slewing Bearing, high speed, compact design, strong vibration resistance, Inner diameter is 2279 mm,Outer diameter is 2721 mm,Total width is 231 mm, suitable for wind turbines, excavators, solar supports, port cranes and robots, etc., is the most widely used bearing in conditions requiring high speed.

QIBR - 130.45.2500 Slewing Bearing Characteristics

130.45.2500 Slewing Bearing, easy maintenance, easy installation, high cost performance. 130.45.2500 Slewing Bearing, can bear radial load, axial load and overturning moment at the same time, suitable for mechanical equipment with high speed requirements.

130.45.2500 Slewing Bearing Features and Advantages

Compact design: Compact structure, it can be installed in space-constrained environments, and has a wider range of applications.

High load capacity: It can withstand axial, radial and overturning moments at the same time, suitable for heavy-duty applications.

Superior precision: Maintain high precision during use and reduce errors in equipment operation.

High temperature and wear resistance: Made of high-temperature bearing steel, with good wear resistance and strength.

Application: Widely used in lifting machinery, engineering machinery, transportation machinery, mining machinery, metallurgical machinery, medical equipment, ships, warships, radar, wind power generation and other fields.

QIBR - 130.45.2500 Slewing Bearing Optimization

Grease replacement: Replace grease with other greases such as SFK, Mobil, Krupp, etc. to optimize the working performance and use conditions of the bearing.

Coating optimization: Provide other coatings such as zinc plating or nickel plating to enhance corrosion resistance and wear resistance and extend its service life in harsh environments.

Process optimization: Optimize the bearing production process, increase the bearing operating temperature range, and improve the bearing accuracy and stability.

More customization: QIBR can optimize the bearing structure design according to customers’ drawings or equipment requirements to meet equipment needs.

QIBR - 130.45.2500 Slewing support bearing quality control

Dimension measurement: Use a variety of professional high-precision instruments to measure multiple dimensions of the bearing, with the highest accuracy up to 0.01mm.

Rotation accuracy: Use a dial indicator to measure small flaws or deviations on the bearing surface, with a measurement accuracy of up to 0.01mm.

Hardness measurement: Use a Leeb hardness tester to measure the bearing surface hardness, with a measurement accuracy of ±6HLD.

Metallographic analysis: Use a professional metallographic microscope to analyze the internal metallographic structure of the metal.

Geometric tolerance: Use a roundness meter to measure the bearing geometry and relative position.

Noise monitoring: Use a vibration meter to monitor the vibration during operation and obtain noise data.

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